Listbox ItemTemplate Selector does not pick a template

Question

I am trying to use an ItemTemplateSelector on a listbox within a grid that I am creating on a different file to later be called by the MainWindow.

Here is my DataTe

Answer 1

@Rachel is right. Your DataTemplateSelector only gets invoked once at load pretty much and not for INPC changes.

What you can do for what you require is use a ListBoxItemStyle with DataTrigger switching the Template used

something like:

and usage: